Finding the Fourth Proportional to 5,209,122.24, 7,186,789.68 and 3,275,529.96
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Solution
The fourth proportional to 5,209,122.24, 7,186,789.68 and 3,275,529.96 is: 4,519,100.11
Step by Step Solution
- Step 1: Write the proportion equation
5,209,122.24 : 7,186,789.68 = 3,275,529.96 : x - Step 2: Convert to fraction form
5,209,122.24/7,186,789.68 = 3,275,529.96/x - Step 3: Cross multiply
5,209,122.24x = 7,186,789.68 × 3,275,529.96 - Step 4: Simplify right side
5,209,122.24x = 23,540,544,913,058.81 - Step 5: Solve for x
x = 23,540,544,913,058.81/5,209,122.24 - Step 6: Final answer
x = 4,519,100.11
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.